a) K₂O + 2 HNO₃ -> 2 KNO₃ + H₂O azotan(V)potasu b) CaO + H₂SO₄ -> CaSO₄ + H₂O siarczan(VI)wapnia c) Al₂O₃ + 6 HCl -> 2 AlCl₃ + 3 H₂O chlorek glinu d) MgO + H₂S -> MgS + H₂O siarczek magnezu e) PbO +H₂SO₄ -> PbSO₄ + H₂O siarczan(VI)ołowiu (II)
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a) K₂O + 2 HNO₃ -> 2 KNO₃ + H₂O azotan(V)potasu
b) CaO + H₂SO₄ -> CaSO₄ + H₂O siarczan(VI)wapnia
c) Al₂O₃ + 6 HCl -> 2 AlCl₃ + 3 H₂O chlorek glinu
d) MgO + H₂S -> MgS + H₂O siarczek magnezu
e) PbO +H₂SO₄ -> PbSO₄ + H₂O siarczan(VI)ołowiu (II)